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CVE-2026-48866 is a path traversal vulnerability in Rocketgenius Gravity Forms for WordPress affecting versions through 2.10.0.1. The flaw is in the plugin’s file deletion workflow for uploaded files. Attacker-controlled file references supplied through form submission data can be stored and later converted into filesystem paths without sufficient validation that the resolved path remains within the intended uploads directory. Public reporting indicates the vulnerable logic accepts crafted traversal sequences in uploaded file metadata, then later resolves those values during entry or attachment deletion and passes the resulting path to file deletion routines. Because canonicalization and directory-boundary enforcement were insufficient, traversal sequences could cause deletion of files outside the expected upload location. The issue is therefore an arbitrary file deletion condition caused by improper limitation of a pathname to a restricted directory.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
Repository is a small standalone Python PoC for CVE-2026-48866, containing one executable script (poc.py) and two substantial Markdown documents (README.md and REVIEW.md). The README explains the vulnerability, attack flow, usage, and references; REVIEW.md critiques the PoC’s reliability and notes several implementation defects while affirming the underlying vulnerability is real. The exploit targets Gravity Forms <= 2.10.0.1 on WordPress. Its core capability is unauthenticated injection of a malicious gform_uploaded_files JSON value containing a path-traversal URL under /wp-content/uploads/gravity_forms/ with ../../../ sequences pointing to an arbitrary server file such as wp-config.php. The script fetches a form page, attempts to extract gform_ajax_nonce and gform_unique_id, crafts the malicious payload, and submits it to /wp-admin/admin-ajax.php. This stores a poisoned file reference in a Gravity Forms entry. A second optional phase automates the trigger condition using supplied admin credentials: it logs into /wp-login.php, queries /wp-json/gf/v2/entries to find recent entries, visits the Gravity Forms admin entry page to obtain deletion nonces, and attempts to delete the entry/file so the vulnerable plugin calls unlink() on the traversed path. The script can then verify impact by checking whether the target file remains accessible over HTTP. Attack vector is primarily web/network-based. The exploit is not part of a larger framework. It is more than a detection script and includes active exploitation logic, but it is best classified as OPERATIONAL rather than weaponized because payloads and workflow are relatively fixed and the repository review notes reliability issues. Notable limitations documented in REVIEW.md include form/entry handling flaws, weak confirmation of successful injection, and trigger-phase brittleness, meaning the PoC may not work reliably against many real-world targets even though the vulnerability itself appears valid.
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A path traversal vulnerability in Rocketgenius Gravity Forms affecting versions through 2.10.0.1. The referenced Patchstack URL indicates arbitrary file deletion impact.
A critical arbitrary file deletion vulnerability in the Gravity Forms WordPress plugin caused by path traversal in file URL handling during entry deletion, which can lead to site outage and potential full site takeover.
A critical arbitrary file deletion vulnerability caused by path traversal in the Gravity Forms WordPress plugin, affecting versions through 2.10.0.1 and enabling unauthenticated attackers to delete arbitrary server files if a privileged user is induced to trigger a crafted request.
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